CN210255258U

CN210255258U - Automatic clamping device for sheet metal machining

Info

Publication number: CN210255258U
Application number: CN201920899846.1U
Authority: CN
Inventors: 丁明华; 易铮
Original assignee: Kunshan Guzhan Metal Co Ltd
Current assignee: Kunshan Guzhan Metal Co Ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-04-07
Anticipated expiration: 2029-06-15

Abstract

The utility model discloses an automatic clamping device for panel beating, comprises a workbench, two effect cylinders and clamp splice, the equal fixed mounting in both sides on workstation top has the support, the equal fixed mounting in middle part on two support tops has two effect cylinders, the equal fixedly connected with movable block in two effect cylinders's bottom, the both sides on movable block top all are provided with buffer gear, buffer gear includes movable rod and compression spring, compression spring sets up the outside at the movable rod, the movable block is connected with the clamp splice through the movable rod, the equal fixedly connected with square cylinder in both sides on clamp splice top, the inside of two square cylinders all is provided with the round bar. This kind of an automatic clamping device for sheet metal working through fixed establishment, makes fixing in the inside of two square tubes or taking out from the inside of square tube that two round bars can be relaxed, and then has made things convenient for and has changed the inside block rubber to the purpose that the automatic clamping device for sheet metal working is convenient for change the block rubber has been reached.

Description

Automatic clamping device for sheet metal machining

Technical Field

The utility model relates to an automatic clamping device specifically is an automatic clamping device for panel beating.

Background

In the clamping apparatus, a device for preventing a workpiece from being displaced or vibrated during a machining process is called a clamping apparatus, and the classification of the clamping apparatus is classified into manual clamping, motorized clamping, automatic clamping, and the like, in which the motorized clamping means pneumatic and skip clamping, hydraulic transmission clamping, electromagnetic clamping, and the like, and the automatic clamping means that a clamping force is automatically operated by a moving part of a machine tool.

At present, most panel beating can all adopt the cylinder to drive clamp splice clamping panel beating in the course of working, in order to prevent clamp splice and panel beating rigid collision, and prevent that the panel beating from sliding, the bottom of clamp splice all can add the block rubber of establishing a bottom and seting up anti-skidding line or sawtooth usually, nevertheless under long-term the use, the anti-skidding line or the sawtooth of block rubber bottom are worn and torn because of the friction, cause its bottom to be smooth gradually, frictional force reduces, the panel beating easily slides, because the block rubber is fixed through bolt or powerful glue mostly, be not convenient for the change of block rubber. Therefore, the automatic clamping device for sheet metal machining is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an automatic clamping device for sheet metal processing, which comprises a workbench, a double-acting cylinder and a clamping block, wherein both sides of the top end of the workbench are fixedly provided with a bracket, two double-acting cylinders are fixedly arranged at the middle part of the top end of the bracket, the bottom end of the double-acting cylinder is fixedly connected with a movable block, both sides of the top end of the movable block are provided with a buffer mechanism, the buffer mechanism comprises a movable rod and a compression spring, the compression spring is arranged outside the movable rod, the movable block is connected with the clamping block through the movable rod, both sides of the top end of the clamping block are fixedly connected with a square tube, both sides of the square tube are provided with a round rod, the middle parts of both sides of the round rod are provided with chutes, the middle parts of both sides of the square tube are provided with a fixing mechanism, the fixing mechanism comprises a square rod, a clamping block and a, the square bar sets up the middle part in square tube one side, the tip fixedly connected with of square bar is located the inside fixture block of spout, two the bottom of round bar all is provided with the rubber block that is located the clamp splice inside, two gas pockets on the double acting cylinder are respectively through two output intercommunications of trachea and external air pump.

As a preferred technical scheme of the utility model, the bottom of movable rod and the top fixed connection of clamp splice, the top of movable rod runs through and extends to the top of movable splice.

As an optimized technical scheme of the utility model, reset spring's both ends respectively with one end of square pole and one side fixed connection of square tube.

As an optimal technical scheme of the utility model, the fixture block comprises a square and a hemisphere, the hemisphere welding is in one side of square, the opposite side of square and the one end fixed connection of square pole, the outside of hemisphere and the inboard sliding connection of spout, the top and the bottom of square respectively with the top and the bottom sliding connection of spout, anti-skidding line has been seted up to the outside of square.

As an optimized technical scheme of the utility model, the bottom of block rubber is provided with the rubber sawtooth that a plurality of equidistance distributes.

As an optimized technical scheme of the utility model, the top of pole is provided with the semicircle piece.

As an optimal technical scheme of the utility model, compression spring's both ends respectively with the bottom of movable block and the top fixed connection of clamp splice.

As an optimized technical scheme of the utility model, the inboard cross-sectional shape of spout is semi-circular.

The utility model has the advantages that: this kind of an automatic clamping device for panel beating processing through fixed establishment, makes fixing in the inside of two square tubes or taking out from the inside of square tube that two round bars can be relaxed, has made things convenient for the installation and the dismantlement of round bar, and then has made things convenient for and has changed the inside block rubber of clamp to the purpose that the automatic clamping device for panel beating processing is convenient for change the block rubber has been reached.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of an automatic clamping device for sheet metal processing according to the present invention;

fig. 2 is an enlarged schematic structural diagram of a position a of the automatic clamping device for sheet metal processing of the present invention;

fig. 3 is the utility model relates to a round bar cross section structure schematic diagram of an automatic clamping device for sheet metal working.

In the figure: 1. a work table; 2. a support; 3. a double-acting cylinder; 4. a movable block; 5. a movable rod; 6. a compression spring; 7. a clamping block; 8. a rubber block; 9. a round bar; 10. a square cylinder; 11. a chute; 12. a square bar; 13. a clamping block; 14. a return spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1, 2 and 3, the utility model relates to an automatic clamping device for sheet metal processing, which comprises a workbench 1, a double-acting cylinder 3 and a clamping block 7, wherein the double-acting cylinder 3 is an SC100 type cylinder, two sides of the top end of the workbench 1 are both fixedly provided with a bracket 2, the middle parts of the top ends of the two brackets 2 are both fixedly provided with the double-acting cylinder 3, the bottom end of the double-acting cylinder 3 is both fixedly connected with a movable block 4, both sides of the top end of the movable block 4 are both provided with a buffer mechanism, the buffer mechanism comprises a movable rod 5 and a compression spring 6, the compression spring 6 is arranged outside the movable rod 5, the movable block 4 is connected with the clamping block 7 through the movable rod 5, both sides of the top end of the clamping block 7 are both fixedly connected with square cylinders 10, both insides of the two square cylinders 10 are both provided with round rods 9, both middle parts of both sides of the, fixing mechanism includes square pole 12, fixture block 13 and sets up at the outside reset spring 14 of square pole 12, and square pole 12 sets up the middle part in square tube 10 one side, and the tip fixedly connected with of square pole 12 is located the inside fixture block 13 of spout 11, and the bottom of two round bars 9 all is provided with the rubber block 8 that is located clamp splice 7 inside, and two gas pockets on the double-acting cylinder 3 are respectively through two output intercommunications of trachea and external air pump.

Wherein, the bottom of movable rod 5 and the top fixed connection of clamp splice 7, the top of movable rod 5 is run through and is extended to the top of movable block 4, makes the rubber block 8 can cushion the effort between movable block 4 and the clamp splice 7 when the centre gripping panel beating through movable rod 5 and compression spring 6, prevents to cause panel beating or clamp splice 7 to damage with panel beating rigid collision when the centre gripping panel beating.

Wherein, reset spring 14's both ends respectively with one end of square pole 12 and one side fixed connection of square tube 10, through reset spring 14, make fixture block 13 can insert the fixed round bar 9 in inside of spout 11 to guaranteed that square pole 12 can not break away from square tube 10.

Wherein, fixture block 13 comprises a square and a hemisphere, the hemisphere welding is in one side of square, the opposite side of square and the one end fixed connection of square rod 12, the outside of hemisphere and the inboard sliding connection of spout 11, the top and the bottom of square respectively with the top and the bottom sliding connection of spout 11, anti-skidding line has been seted up to the outside of square, when having guaranteed rotatory round bar 9, fixture block 13 can remove the inside of spout 11, and through anti-skidding line, prevent when unmanned rotation round bar 9, relative rotation takes place for round bar 9 and fixture block 13.

Wherein, the bottom of block rubber 8 is provided with the rubber sawtooth that a plurality of equidistance distributes, has increased the roughness of block rubber 8 bottoms through the rubber sawtooth, and then has increased the frictional force between block rubber 8 and the panel beating, makes the panel beating be difficult for sliding.

Wherein, the top of round bar 9 is provided with the semicircle piece, can promote two fixture blocks 13 outside removal on the square tube 10 when making round bar 9 move up and get into the inside of square tube 10 through the semicircle piece.

Wherein, compression spring 6's both ends respectively with the bottom of movable block 4 and the top fixed connection of clamp splice 7, through compression spring 6, can cushion the effort between movable block 4 and the clamp splice 7.

The cross section of the inner side of the sliding groove 11 is semicircular, so that the clamping block 13 can move out of the sliding groove 11 when the round rod 9 rotates.

When the metal plate processing machine works, firstly, when the metal plate moves to the lower part of the two rubber blocks 8, the power supply of an external air pump is turned on, and the external controller of the air pump is used for supplying air to one air hole of the two double-acting cylinders 3 through the two air pipes, the output ends of the two double-acting cylinders 3 drive the two movable blocks 4 to move downwards, after the two rubber blocks 8 are contacted with the metal plate, the two double-acting cylinders 3 continue to drive the two movable blocks 4 to move downwards, the two movable blocks 4 and the two clamping blocks 7 extrude the four compression springs 6 to prevent the clamping blocks 7 from rigidly colliding with the metal plate, when the metal plate is firmly clamped by the two rubber blocks 8, the external controller of the air pump stops supplying air to the two double-acting cylinders 3, after the metal plate processing is finished, the two output ends of the air pump supply air to the other air hole of the two double-acting cylinders 3 through the two air, the output ends of two double-acting cylinders 3 drive two movable blocks 4 to move upwards, because the two movable blocks 4 move upwards, four compression springs 6 are gradually restored, the two movable blocks 4 drive a clamping block 7 to ascend through two movable rods 5, two rubber blocks 8 are separated from a metal plate, after the rubber blocks 8 are completely separated from the metal plate, the air supply to the two double-acting cylinders 3 is stopped through an external controller of an air pump, the metal plate is taken down, when the rubber blocks 8 need to be replaced, four round rods 9 are rotated, four eight clamping blocks 13 gradually slide out of the insides of eight sliding grooves 11 along with the rotation of the four round rods 9, after the eight clamping blocks 13 are completely separated from the eight sliding grooves 11, the four round rods 9 are downwards pulled, the four round rods 9 are separated from four square cylinders 10 and two rubber blocks 8, the two rubber blocks 8 are taken down, and the four round rods 9 are respectively inserted into two sides of two new rubber blocks 8, and put into the inside of two clamp splice 7 respectively with two new blocks of rubber 8 to make the inside of four square tubes 10 inserted respectively at the top of four round bars 9, along with stretching into of four round bars 9, four round bars 9 promote eight fixture blocks 13 and eight square bars 12 to move to the outside, after eight spout 11 and eight fixture blocks 13 are on same water flat line, eight square bars 12 drive eight fixture blocks 13 under the effect of eight reset spring 14 restoring force and insert four round bars 9 of the inside fixed of eight spout 11 respectively.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic clamping device for sheet metal processing comprises a workbench (1), two double-acting cylinders (3) and clamping blocks (7), and is characterized in that supports (2) are fixedly mounted on two sides of the top of the workbench (1), the two double-acting cylinders (3) are fixedly mounted in the middle of the top of the two supports (2), movable blocks (4) are fixedly connected to the bottom of the double-acting cylinders (3), buffer mechanisms are arranged on two sides of the top of each movable block (4), each buffer mechanism comprises a movable rod (5) and a compression spring (6), each compression spring (6) is arranged outside each movable rod (5), each movable block (4) is connected with one clamping block (7) through each movable rod (5), square cylinders (10) are fixedly connected to two sides of the top of each clamping block (7), and round rods (9) are arranged inside the two square cylinders (10), spout (11) have all been seted up at the middle part of pole (9) both sides, the middle part of square tube (10) both sides all is provided with fixed establishment, fixed establishment includes square bar (12), fixture block (13) and sets up at outside reset spring (14) of square bar (12), square bar (12) set up the middle part in square tube (10) one side, the tip fixedly connected with of square bar (12) is located inside fixture block (13) of spout (11), two the bottom of pole (9) all is provided with rubber block (8) that are located clamp splice (7) inside, two gas pockets on two effect cylinders (3) communicate through two outputs of trachea and external air pump respectively.

2. The automatic clamping device for sheet metal working according to claim 1, wherein the bottom end of the movable rod (5) is fixedly connected with the top end of the clamping block (7), and the top end of the movable rod (5) penetrates through and extends above the movable block (4).

3. The automatic clamping device for sheet metal working according to claim 1, wherein two ends of the return spring (14) are fixedly connected with one end of the square rod (12) and one side of the square tube (10) respectively.

4. The automatic clamping device for sheet metal working according to claim 1, wherein the clamping block (13) is composed of a square block and a hemisphere, the hemisphere is welded on one side of the square block, the other side of the square block is fixedly connected with one end of the square rod (12), the outside of the hemisphere is slidably connected with the inner side of the sliding groove (11), the top end and the bottom end of the square block are slidably connected with the top end and the bottom end of the sliding groove (11) respectively, and anti-skid grains are arranged on the outside of the square block.

5. The automatic clamping device for sheet metal working according to claim 1, wherein the bottom end of the rubber block (8) is provided with a plurality of rubber saw teeth distributed at equal intervals.

6. The automatic clamping device for sheet metal working according to claim 1, wherein a semicircular block is arranged at the top end of the round rod (9).

7. The automatic clamping device for sheet metal working according to claim 1, wherein two ends of the compression spring (6) are respectively fixedly connected with the bottom end of the movable block (4) and the top end of the clamping block (7).

8. The automatic clamping device for sheet metal working according to claim 1, wherein the cross-sectional shape of the inner side of the sliding groove (11) is semicircular.